<template>
  <div class="checkout-address">
    <div class="text">
      <div v-if="!showAddress" class="none">您需要先添加收货地址才可提交订单。</div>
      <ul v-if="showAddress">
        <li><span>收<i/>货<i/>人：</span>{{showAddress.receiver}}</li>
        <li><span>联系方式：</span>{{showAddress.contact}}</li>
        <li><span>收货地址：</span>{{showAddress.fullLocation.replace(/ /g,'')+showAddress.address}}</li>
      </ul>
      <a @click="openAddressEdit(showAddress)" v-if="showAddress" href="javascript:;">修改地址</a>
    </div>
    <div class="action">
      <MyButton class="btn" @click="openDialog()">切换地址</MyButton>
      <MyButton class="btn" @click="openAddressEdit({})">添加地址</MyButton>
    </div>
  </div>
  <!-- 切换地址对话框 -->
  <el-dialog v-model="dialogVisible" title="切换收货地址" width="30%">
    <div class="my-dialog">
      <!-- 对话框内容 -->
      <div class="text item"
          :class="{active:selectedAddress&&item.id===selectedAddress.id}"
          @click="selectedAddress=item"
          v-for="item in list" 
          :key="item.id">
        <ul>
          <li><span>收<i/>货<i/>人：</span>{{item.receiver}}</li>
          <li><span>联系方式：</span>{{item.contact}}</li>
          <li><span>收货地址：</span>{{item.fullLocation.replace(/ /g,'')+item.address}}</li>
        </ul>
      </div>
    </div>
    <template #footer>
      <span class="dialog-footer">
        <MyButton @click="dialogVisible = false">取消</MyButton>
        <MyButton @click="confirmAddress()" type="primary" >确定</MyButton
        >
      </span>
    </template>
  </el-dialog>
  <!-- 收货地址添加编辑组件 -->
  <AddressEdit @on-success="successHandler" ref="addressEditCom" />
</template>
<script setup>
import MyButton from '@/components/my-button'
import { ref, defineProps, defineEmits, onMounted} from 'vue'
import AddressEdit from './address-edit'
  const emit = defineEmits(['change'])
  const props = defineProps({
    list: {
      type: Array,
      default: () => []
    }
  })
  // 显示的地址
  const showAddress = ref(null)
  if (props.list.length) {
    const defaultAddress = props.list.find(item => item.isDefault === 1)
    if (defaultAddress) {
      showAddress.value = defaultAddress
    } else {
      // eslint-disable-next-line vue/no-setup-props-destructure
      showAddress.value = props.list[0]
    }
  }
  // 切换对话框显示关闭
  const dialogVisible = ref(false)
  console.log(showAddress.value?.id)
  onMounted(() => {
    // 默认通知一个地址ID给父
    emit('change', showAddress.value?.id)
  })
  // 记录当前你选中的地址ID
  const selectedAddress = ref(null)
  const confirmAddress = () => {
    // 显示的地址换成呢选中的地址
    showAddress.value = selectedAddress.value
    // 把选中的地址ID通知结算组件
    emit('change', selectedAddress.value?.id)
    dialogVisible.value = false
  }
  const openDialog = () => {
    // 将之前的选中地址改成null
    selectedAddress.value = null
    dialogVisible.value = true
  }
  // 打开添加编辑收货地址组件
  const addressEditCom = ref(null)
  const openAddressEdit = (address) => {
    // 添加 {}  修改 {数据}
    addressEditCom.value.open(address)
  }
  const successHandler = (formData) => {
    // 根据formData中的ID去当前地址列表中查找，有就是修改，否则是添加
    const address = props.list.find(item => item.id === formData.id)
    if (address) {
      for (const key in address) {
        address[key] = formData[key]
      }
    } else {
      // 如果是添加：往list中追加一条
      // 当你在修改formData的时候，数组中的数据也会更新，因为是同一引用地址。
      // 啥时候修改formData，当你打开对话框需要清空之前的输入信息
      // 克隆formData数据
      const jsonStr = JSON.stringify(formData)
      // eslint-disable-next-line vue/no-mutating-props
      props.list.unshift(JSON.parse(jsonStr))
    }
  }

</script>
<style scoped lang="less">
.checkout-address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: @mainColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
.dialog-footer button:first-child {
  margin-right: 10px;
}
.my-dialog {
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,&:hover {
        border-color: @mainColor;
        background: lighten(@mainColor,50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
  }
}
</style>